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DE69816450D1 - NITRATE REDUCTION - Google Patents

NITRATE REDUCTION

Info

Publication number
DE69816450D1
DE69816450D1 DE69816450T DE69816450T DE69816450D1 DE 69816450 D1 DE69816450 D1 DE 69816450D1 DE 69816450 T DE69816450 T DE 69816450T DE 69816450 T DE69816450 T DE 69816450T DE 69816450 D1 DE69816450 D1 DE 69816450D1
Authority
DE
Germany
Prior art keywords
nitrates
nitrites
metal
nitrate reduction
reduction
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE69816450T
Other languages
German (de)
Other versions
DE69816450T2 (en
Inventor
J Dziewinski
Stanislaw Marczak
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Los Alamos National Laboratory LLC
Original Assignee
Los Alamos National Laboratory LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Los Alamos National Laboratory LLC filed Critical Los Alamos National Laboratory LLC
Publication of DE69816450D1 publication Critical patent/DE69816450D1/en
Application granted granted Critical
Publication of DE69816450T2 publication Critical patent/DE69816450T2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/70—Treatment of water, waste water, or sewage by reduction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/54—Nitrogen compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • B01D53/8621—Removing nitrogen compounds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/70—Treatment of water, waste water, or sewage by reduction
    • C02F1/705—Reduction by metals
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/467—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction
    • C02F1/4676—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electroreduction
    • C02F1/4678—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electroreduction of metals
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • C02F2101/16—Nitrogen compounds, e.g. ammonia
    • C02F2101/163—Nitrates

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Water Supply & Treatment (AREA)
  • Hydrology & Water Resources (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Biomedical Technology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
  • Removal Of Specific Substances (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Catalysts (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)

Abstract

Nitrates are reduced to nitrogen gas by contacting the nitrates with a metal to reduce the nitrates to nitrites which are then contacted with an amide to produce nitrogen and carbon dioxide or acid anions which can be released to the atmosphere. Minor amounts of metal catalysts can be useful in the reduction of the nitrates to nitrites. Metal salts which are formed can be treated electrochemically to recover the metals.
DE69816450T 1997-04-23 1998-04-03 NITRATE REDUCTION Expired - Fee Related DE69816450T2 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US4409997P 1997-04-23 1997-04-23
US44099P 1997-04-23
US08/857,232 US6030520A (en) 1997-04-23 1997-05-16 Nitrate reduction
US857232 1997-05-16
PCT/US1998/006755 WO1998047818A1 (en) 1997-04-23 1998-04-03 Nitrate reduction

Publications (2)

Publication Number Publication Date
DE69816450D1 true DE69816450D1 (en) 2003-08-21
DE69816450T2 DE69816450T2 (en) 2004-04-22

Family

ID=26721175

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69816450T Expired - Fee Related DE69816450T2 (en) 1997-04-23 1998-04-03 NITRATE REDUCTION

Country Status (10)

Country Link
US (1) US6030520A (en)
EP (1) EP0989958B1 (en)
JP (1) JP2001522298A (en)
KR (1) KR20010020185A (en)
AT (1) ATE245125T1 (en)
AU (1) AU6951998A (en)
CA (1) CA2286853A1 (en)
DE (1) DE69816450T2 (en)
ES (1) ES2203941T3 (en)
WO (1) WO1998047818A1 (en)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6533943B1 (en) * 2000-04-18 2003-03-18 Tony Jones Process for the removal of oxidizing agents
DE10024903B4 (en) * 2000-05-19 2010-01-07 WTW Wissenschaftlich-Technische Werkstätten GmbH & Co. KG Apparatus and method for determining dissolved inorganic nitrogen in liquids
US6436275B1 (en) * 2000-05-31 2002-08-20 The Regents Of The University Of California Electrochemical reduction of nitrate in the presence of an amide
JP4649817B2 (en) 2000-07-26 2011-03-16 三菱瓦斯化学株式会社 Palladium removing solution and method for removing palladium
US6379562B1 (en) * 2001-03-21 2002-04-30 Atr Products And Chemicals, Inc. Treatment of water containing organic wastes with aromatic amine nitrate salts
ES2186547B1 (en) * 2001-06-15 2004-08-01 Universidad Politecnica De Valencia A BIMETAL CATALYST FOR THE TREATMENT OF WATERS CONTAINING NITRATES.
KR20030040869A (en) * 2001-11-16 2003-05-23 안병건 A nitrate reduction apparatus and method using chemicals
KR100478206B1 (en) * 2001-12-19 2005-03-23 한국전력공사 The removing method of the hard-to-remove chemical ooxygen demand components from flew gas desulfurization waste water by palladium-based bimetal
US7157059B1 (en) * 2002-09-18 2007-01-02 The United States Of America As Represented By The Secretary Of The Interior Reduction device for nitrate determination
KR100513262B1 (en) * 2003-04-11 2005-09-08 디엔텍 (주) Cod removal method from desulfurization wastewater and the system using it
FR2860784B1 (en) * 2003-10-08 2007-12-07 Cooperative Agricole Des Perri PROCESS FOR THE CHEMICAL TREATMENT OF A LIQUID MEDIUM CHARGED WITH NITRATE, DEVICE FOR TREATING SUCH A LIQUID MEDIUM AND.
ES2250006B1 (en) * 2004-09-29 2007-07-01 Dr Canicio Consulting Chemist, S.A. PROCEDURE FOR THE ELIMINATION OF WATER NITRATES BY REDUCTION TO NITROGEN GAS.
ES2265268B1 (en) * 2005-04-04 2008-02-01 Dr. Canicio Consulting Chemist, S.A. NEW PROCEDURE FOR THE ELIMINATION OF WATER NITRATES BY REDUCTION TO NITROGEN GAS.
ES2293827B1 (en) * 2006-06-08 2009-02-16 Tma, Tecnica Del Medio Ambiente Tratamiento De Aguas, S.L. DEVICE AND PROCEDURE FOR THE ELIMINATION OF WATER NITRATES.
KR100779989B1 (en) 2006-09-06 2007-11-29 주식회사 디오이에스 Removal of Nitrate Nitrogen from Wastewater and Sewage by Electrolysis with Lead Brass as Cathode
FR2917734B1 (en) * 2007-06-19 2010-09-10 Magnes Pierre Jean Maurice "PROCESS FOR ELECTROCHEMIC CHEMICAL MIXING TREATMENT OF A LIQUID MEDIUM CHARGED WITH NITRATE, DEVICE FOR TREATING SUCH A LIQUID MEDIUM AND APPLICATIONS"
AU2014246595B2 (en) * 2007-07-11 2016-10-06 Clene Nanomedicine, Inc. Continuous methods for treating liquids and manufacturing certain constituents (e.g., nanoparticles) in liquids, apparatuses and nanoparticles and nanoparticle/liquid solutions(s) resulting therefrom
US8936770B2 (en) 2010-01-22 2015-01-20 Molycorp Minerals, Llc Hydrometallurgical process and method for recovering metals
US10538439B2 (en) * 2015-01-29 2020-01-21 Trustees Of Boston University Method and composition for reducing nitrates, nitrites, and/or hydroxylamine in water using a homogeneous reduced copper tetra-substituted fluorinated pinacolate ligand catalyst complex
US11267732B2 (en) * 2017-11-27 2022-03-08 Chemtreat, Inc. Methods and systems for removing nitrates in Zero Liquid Discharge applications
US10717663B2 (en) 2018-02-27 2020-07-21 Chemical Systems of Orlando, Inc. Chemical denitrification of contaminated water
DE102019007556A1 (en) * 2019-10-30 2021-05-06 K-Utec Ag Salt Technologies Process for the chemical reduction of dissolved oxygen acids of nitrogen or their salts in brine by means of magnesium shavings
WO2021257618A1 (en) * 2020-06-15 2021-12-23 Florida Food Products, LLC Continuous fermentation process for meat curing agents
US20220204369A1 (en) * 2020-12-31 2022-06-30 Chemtreat, Inc. Methods of treating water to remove selenium or mercury
CN114085008B (en) * 2021-12-07 2023-04-07 中原环保股份有限公司 Environment-friendly method treatment process of ammonium nitrate condensation wastewater
CN115584527B (en) * 2022-10-15 2024-11-05 四川大学 Preparation method and application of mesoporous palladium-copper nanocatalyst for nitrate reduction to produce ammonia

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5367678A (en) * 1976-11-29 1978-06-16 Ebara Corp Treating method for by-product formed in process of treating exhaust gasby irradiation of radiation
US4276198A (en) * 1979-03-01 1981-06-30 It Enviroscience, Inc. Destruction method for the wet combustion of organics
US4212735A (en) * 1979-03-01 1980-07-15 Hydroscience, Inc. Destruction method for the wet combustion of organics
EP0073262B1 (en) * 1981-08-31 1985-11-13 Kernforschungszentrum Karlsruhe Gmbh Process for separating cesium ions from aqueous solutions by using an addition compound consisting of a macrocyclic polyether and an inorganic heteropolyacid
US4415456A (en) * 1982-03-24 1983-11-15 Hercules Incorporated Removal and destruction of residual nitrate esters in wastewater
US4497782A (en) * 1982-10-28 1985-02-05 S. Garry Howell Method for destroying toxic organic chemical products
DE3830850A1 (en) * 1988-09-10 1990-03-22 Gutec Gmbh METHOD FOR REMOVING THE NITRITE AND / OR NITRATE CONTENT IN WATER
US4990226A (en) * 1989-11-06 1991-02-05 Gte Products Corporation Electroplating wires with nickel at high-speed and a nickel fluoborate bath therefor
GB9103851D0 (en) * 1991-02-25 1991-04-10 Bradtec Ltd Method for the combined removal and destruction of nitrate ions
US5118447A (en) * 1991-04-12 1992-06-02 Battelle Memorial Institute Thermochemical nitrate destruction
US5073273A (en) * 1991-05-22 1991-12-17 Trw Vehicle Safety Systems, Inc. Treatment of azide containing waste
US5376240A (en) * 1991-11-04 1994-12-27 Olin Corporation Process for the removal of oxynitrogen species for aqueous solutions
USH1126H (en) * 1991-11-12 1993-01-05 The United States Of America As Represented By The Secretary Of The Navy Treatment of sodium nitrite-containing boiler wastewater
US5370528A (en) * 1992-08-03 1994-12-06 Martin Marietta Energy Systems, Inc. Submergible torch for treating waste solutions and method thereof
US5391268A (en) * 1994-07-20 1995-02-21 Olin Corporation Electrochemical process for the removal of residual nitric acid from aqueous hydroxylammonium nitrate

Also Published As

Publication number Publication date
AU6951998A (en) 1998-11-13
KR20010020185A (en) 2001-03-15
ATE245125T1 (en) 2003-08-15
EP0989958A4 (en) 2000-07-05
US6030520A (en) 2000-02-29
WO1998047818A1 (en) 1998-10-29
CA2286853A1 (en) 1998-10-29
ES2203941T3 (en) 2004-04-16
DE69816450T2 (en) 2004-04-22
EP0989958B1 (en) 2003-07-16
EP0989958A1 (en) 2000-04-05
JP2001522298A (en) 2001-11-13

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee